1011120012 has 36 divisors (see below), whose sum is σ = 2921014096. Its totient is φ = 288891360.

The previous prime is 1011119987. The next prime is 1011120013. The reversal of 1011120012 is 2100211101.

It is a happy number.

1011120012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1011119976 and 1011120003.

It is not an unprimeable number, because it can be changed into a prime (1011120013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2005939 + ... + 2006442.

Almost surely, 2^1011120012 is an apocalyptic number.

1011120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011120012 is an abundant number, since it is smaller than the sum of its proper divisors (1909894084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011120012 is a wasteful number, since it uses less digits than its factorization.

1011120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012398 (or 4012393 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1011120012 is about 31798.1133402597. The cubic root of 1011120012 is about 1003.6930155142.

Adding to 1011120012 its reverse (2100211101), we get a palindrome (3111331113).

The spelling of 1011120012 in words is "one billion, eleven million, one hundred twenty thousand, twelve".